<?php

/**
 * This is the model class for table "{{albums}}".
 *
 * The followings are the available columns in table '{{albums}}':
 * @property integer $id
 * @property integer $user_id
 * @property integer $group_id
 * @property string $name
 * @property string $description
 * @property integer $main_photo_id
 */
class Albums extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return Albums the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{albums}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('name', 'required'),
			array('user_id, group_id, event_id, main_photo_id', 'numerical', 'integerOnly'=>true),
			array('name', 'length', 'max'=>255),
			array('description', 'length', 'max'=>1000),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, user_id, group_id, name, description, main_photo_id', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'main_photo'=>array(self::BELONGS_TO, 'Photos', 'main_photo_id'),
			'user'=>array(self::BELONGS_TO, 'Users', 'user_id'),
			'group'=>array(self::BELONGS_TO, 'Groups', 'group_id'),
			'event'=>array(self::BELONGS_TO, 'Events', 'event_id'),
			'photos'=>array(self::HAS_MANY, 'Photos', 'album_id',
					'order' => 'photos.crdate DESC'
			),
			'countAlbums'=>array(self::STAT, 'Albums', 'id'),
			'countPhotos'=>array(self::STAT, 'Photos', 'album_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'user_id' => 'User',
			'group_id' => 'Group',
			'event_id' => 'Event',
			'name' => 'Название',
			'description' => 'Description',
			'main_photo_id' => 'MainPhotoId'
		);
	}
	
	protected function beforeDelete()
	{
		if(parent::beforeDelete())
		{
			Photos::model()->deleteAll(
				'album_id=:album_id',
				array(':album_id'=>$this->id)
			);
			return true;
		}
		else
			return false;
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('user_id',$this->user_id);
		$criteria->compare('group_id',$this->group_id);
		$criteria->compare('name',$this->name,true);
		$criteria->compare('description',$this->description,true);
		$criteria->compare('main_photo_id',$this->main_photo_id);
		
		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
}